The 38.4 cm (15.1 Inch) [306.2 x 229.8 mm] is the screen size of a specific device, and our website sells a range of screen protectors that are specifically designed to fit this size. These screen protectors are made from high-quality materials that provide excellent protection against scratches, cracks, and other types of damage that can occur to the screen. They are easy to apply and remove, and they do not leave any residue or marks on the screen. Our screen protectors are an essential accessory for anyone who wants to keep their device's screen in pristine condition for as long as possible.